CN215964678U

CN215964678U - Closed vibrating screen

Info

Publication number: CN215964678U
Application number: CN202121577596.3U
Authority: CN
Inventors: 徐学陵
Original assignee: Shandong Chenyue Heavy Machinery Co ltd
Current assignee: Shandong Chenyue Heavy Machinery Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2022-03-08
Anticipated expiration: 2031-07-12

Abstract

The utility model belongs to the technical field of screening equipment, and particularly relates to a closed vibrating screen which comprises a screen, a frame, a vibrating motor and a closed shell arranged obliquely front and back, wherein the shell is fixedly connected with the frame, the screen is arranged in the shell, a screen frame is arranged at the edge of the screen, the vibrating motor is arranged on the screen frame, the screen frame is flexibly connected with the frame through an elastic connecting piece so that the screen is suspended in the shell, the inclination angle of the screen can be adjusted, a feed inlet for feeding is arranged above the shell and at the position corresponding to the feed end of the screen, a slag discharge port and a discharge port are arranged below the shell and at the position corresponding to the discharge end of the screen at a front and back interval, screened screen oversize objects of the screen are discharged through the slag discharge port under the action of the vibrating motor, screened screen undersize objects of the screen are led out through the discharge port, the structure is light, the influence on the vibration of the shell is small, the sealing effect is good, and no ash leakage point exists, is suitable for the requirement of environmental protection.

Description

Closed vibrating screen

Technical Field

The utility model belongs to the technical field of screening equipment, and particularly relates to a closed vibrating screen.

Background

The vibrating screen is widely applied to industries such as mining industry, coal industry and the like, and is a screening machine used for material grading, washing, dewatering and medium removal, the vibrating screen utilizes the excitation of a vibrating motor as a vibration source, materials are screened out of oversize products and undersize products with different specifications on a screen mesh and are respectively discharged from respective outlets, the existing vibrating screen is open, the vibration is large, the requirement on basic bearing capacity is high, the adaptability to environmental protection is small, and the vibration inlet and outlet connection can only adopt flexible connection and is easy to damage.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model discloses a closed vibrating screen, wherein a screen frame is flexibly connected with a frame through an elastic connecting piece to enable a screen to be suspended in a closed shell, and the screen is damped by a spring, so that the structure is small and exquisite, the vibration is strong, the influence on the vibration of a shell is small, and the sealing effect is good.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a closed shale shaker, which comprises a screen cloth, frame and vibrating motor, still include the airtight casing that the front and back slope set up, casing and frame fixed connection, be provided with the screen cloth in the casing, be provided with the bank of screens at the screen cloth edge, the bank of screens makes the screen cloth suspend in midair in the casing through elastic connection spare and frame flexonics, the inclination of screen cloth can be adjusted, correspond the position with the screen cloth feed end in the top of casing and be provided with the feed inlet that is used for the feeding, the interval is provided with row's cinder notch and discharge gate around the below of casing corresponds the position with the screen cloth discharge end, under vibrating motor's effect, screen cloth sifts oversize thing is discharged through row's cinder notch, screen cloth sifts undersize thing is derived through the discharge gate.

Further, the frame includes two front uprights and two rear uprights of vertical setting, and front upright and rear upright interval set up around, casing respectively with front upright and rear upright fixed connection, be equipped with the front beam that the level set up between two front uprights, be equipped with the rear beam that the level set up between two rear uprights, the height of rear beam is higher than the front beam.

Further, elastic connection spare includes lead screw, cylinder helical compression spring and link chain, is provided with spring support respectively at the both ends of front beam and back crossbeam, and the position that corresponds with spring support on the bank of screens is provided with the support respectively, corresponds the cover respectively on every spring support and is equipped with cylinder helical compression spring, cylinder helical compression spring's lower extreme and the spring support fixed connection who corresponds, cylinder helical compression spring's upper end and clamp plate fixed connection wear to be equipped with the lead screw of coaxial setting respectively at every cylinder helical compression spring's middle part, the upper end of lead screw upwards extends to be connected through adjusting nut and the clamp plate that corresponds behind the clamp plate that corresponds through adjusting nut, the lower extreme downwardly extending of lead screw passes behind the crossbeam and the casing that correspond can dismantle through link chain and the support that corresponds.

Further, the inclination angle of the screen can be adjusted by adjusting the compression degree of the cylindrical helical compression springs at the two ends of the front cross beam and/or the rear cross beam.

Furthermore, the inclination angle of the screen can be adjusted by adjusting the length of the chain below the two ends of the front cross beam and/or the rear cross beam.

Furthermore, an inspection door capable of being opened and closed is arranged above the shell and at a position corresponding to the screen.

Furthermore, the inner wall of the position below the shell corresponding to the screen is obliquely arranged towards the discharge hole.

Furthermore, a reinforcing beam is arranged between the front upright post and the rear upright post on the same side.

Compared with the prior art, the utility model has the beneficial effects that:

according to the closed vibrating screen, the screen frame is flexibly connected with the rack through the elastic connecting piece to enable the screen to be suspended in the shell, the screening structure only comprises the screen sheet and the screen frame, the vibrating motor is directly connected with the screen frame, the screen frame is connected with the rack through the lead screw, the cylindrical spiral compression spring and the ring chain, the spring is adopted for vibration reduction, the screening structure is light and handy, the influence on the vibration of the shell is small, the sealing effect is good, no ash leakage point exists, and the environment-friendly requirement is met.

Drawings

FIG. 1 is a perspective view of a front view of the present invention;

FIG. 2 is a perspective view of the side view structure of the present invention;

in the drawings: 1-a lead screw; 2-adjusting the nut; 3, pressing a plate; 4-a cylindrical helical compression spring; 5-a spring support; 6-ring chain; 7-support; 8-a frame; 9-a screen mesh; 10-a sieve frame; 11-a vibration motor; 12-an inspection door; 13-a housing; 14-a slag discharge port; 15-front upright post; 16-a discharge hole; 17-rear pillar; 18-feed inlet.

Detailed Description

In order to better understand the present invention, the following examples are further provided to illustrate the present invention, but the present invention is not limited to the following examples.

The enclosed vibrating screen is explained in detail by combining the attached drawings 1 and 2, and comprises a screen 9, a frame 8, a vibrating motor 11 and a closed shell 13 which is obliquely arranged front and back, preferably, the frame 8 comprises two front uprights 15 and two back uprights 17 which are vertically arranged, the front uprights 15 and the back uprights 17 are arranged at intervals front and back, the shell 13 is respectively and fixedly connected with the front uprights 15 and the back uprights 17, a horizontally arranged front cross beam is arranged between the two front uprights 15, a horizontally arranged back cross beam is arranged between the two back uprights 17, the height of the back cross beam is higher than that of the front cross beam, a reinforcing beam is arranged between the front uprights 15 and the back uprights 17 on the same side, the strength and the stability of the frame 8 are improved, the screen 9 is arranged in the shell 13, a screen frame 10 is arranged at the edge of the screen 9, the vibrating motor 11 is arranged on the screen frame 10, the screen structure except the screen 9 and the screen frame 10, there are not other parts, the screening structure is light and handy, power is little, vibration is powerful, screen cloth 9 should not block up, screen frame 10 makes screen cloth 9 suspend in midair in casing 13 through elastic connection spare and 8 flexonics of frame, the inclination of screen cloth 9 can be adjusted, screen cloth 9 is driven by vibrating motor 11, be provided with the feed inlet 18 that is used for the feeding in the top of casing 13 and the corresponding position of screen cloth 9 feed end, interval around the corresponding position of below and the screen cloth 9 discharge end of casing 13 is provided with row's cinder notch 14 and discharge gate 16, under the effect of vibrating motor 11, screen cloth 9 sieves the oversize thing and discharges through row's cinder notch 14, screen cloth 9 sieves the undersize thing and derives through discharge gate 16, casing 13's sealed effect is strong and casing 13 does not have the vibration, the import and export is directly antithetical couplet, the condition of no ash leakage, adapt to the environmental protection requirement.

As an optional design, the preferable elastic connecting piece comprises a screw rod 1, a cylindrical spiral compression spring 4 and a ring chain 6, spring supports 5 are respectively arranged at two ends of a front cross beam and a rear cross beam, supports 7 are respectively arranged at positions on a screen frame 10 corresponding to the spring supports 5, the cylindrical spiral compression spring 4 is respectively sleeved on each spring support 5 correspondingly, the lower end of each cylindrical spiral compression spring 4 is fixedly connected with the corresponding spring support 5, the upper end of each cylindrical spiral compression spring 4 is fixedly connected with a pressing plate 3, the middle part of each cylindrical spiral compression spring 4 is respectively provided with the screw rod 1 which is coaxially arranged in a penetrating manner, the upper end of each screw rod 1 upwards extends through the corresponding pressing plate 3 and then is connected with the corresponding pressing plate 3 through an adjusting nut 2, the lower end of each screw rod 1 downwards extends through the corresponding cross beam and a shell 13 and then is detachably connected with the corresponding support 7 through the ring chain 6, there are four tie points between sieve frame 10 and the frame 8, and adopt the spring damping, it is little to shell vibration influence, the inclination that can adjust screen cloth 9 through the length of adjustment front beam and/or rear beam both ends below link 6, set up the vibration influence to casing 13 when cylindrical helical compression spring 4 reduces vibrating motor 11 vibration on the one hand, on the other hand can convenient and fast ground adjust screen cloth 9's inclination through the degree of compression of rotatory adjusting nut 2 adjustment front beam and/or rear beam both ends cylindrical helical compression spring 4.

As optional design, preferably, the position that corresponds with screen cloth 9 is provided with inspection door 12 that can open and close above casing 13, and inspection door 12 adopts transparent material, and the distribution condition of material on screen cloth 9 that can be convenient is observed through inspection door 12, and in addition, when needing to overhaul screen cloth 9 in casing 13, vibrating motor 11, open inspection door 12 and just can convenient the maintenance.

As optional design, the inner wall of the position corresponding to the screen 9 below the preferred casing 13 is inclined towards the discharge port 16, so that the screened undersize materials of the screen 9 can be smoothly and quickly led out through the discharge port 16.

The working process of the utility model is as follows:

put into casing 13 through feed inlet 18 with the material in, 18 contact with screen cloth 9 behind getting into casing 13 of feed inlet, vibrating motor 11 drives screen cloth 9 vibration screening material, screen cloth 9 sifts oversize thing and discharges through row cinder notch 14, screen cloth 9 sifts undersize thing and derives through discharge gate 16, because casing 13 is seal structure, it is sealed effectual, there is not the hourglass ash point, adapt to the environmental protection requirement, and the shale shaker structure is light and handy, power is little, the vibration is strong, mounted position strong adaptability.

The above description is only an application embodiment of the present invention, but the scope of the present invention is not limited thereto, and the scope of the present invention should not be limited by the description, and any equivalent changes made according to the technical solution of the present invention should be covered within the scope of the present invention.

Claims

1. The utility model provides a closed shale shaker, includes screen cloth (9), frame (8) and vibrating motor (11), its characterized in that, closed shale shaker still includes:

the closed shell (13) is obliquely arranged front and back, and the shell (13) is fixedly connected with the rack (8);

a screen (9) is arranged in the shell (13), a screen frame (10) is arranged at the edge of the screen (9), and the screen frame (10) is flexibly connected with the frame (8) through an elastic connecting piece to enable the screen (9) to be suspended in the shell (13);

the inclination angle of the screen (9) can be adjusted, a feed inlet (18) for feeding is arranged above the shell (13) and at a position corresponding to the feed end of the screen (9), and a slag discharge port (14) and a discharge port (16) are arranged below the shell (13) and at a position corresponding to the discharge end of the screen (9) at intervals in the front-back direction;

under the action of the vibration motor (11), oversize materials screened out by the screen (9) are discharged through the slag discharge port (14), and undersize materials screened out by the screen (9) are led out through the discharge port (16).

2. The enclosed shaker as defined in claim 1, wherein:

the rack (8) comprises two front upright posts (15) and two rear upright posts (17) which are vertically arranged; the front upright post (15) and the rear upright post (17) are arranged at intervals in the front and back;

the shell (13) is respectively fixedly connected with the front upright post (15) and the rear upright post (17);

a horizontally arranged front cross beam is arranged between the two front upright posts (15), a horizontally arranged rear cross beam is arranged between the two rear upright posts (17), and the height of the rear cross beam is higher than that of the front cross beam.

3. The enclosed shaker as defined in claim 2, wherein:

the elastic connecting piece comprises a lead screw (1), a cylindrical spiral compression spring (4) and a ring chain (6);

spring supports (5) are respectively arranged at two ends of the front cross beam and the rear cross beam, and supports (7) are respectively arranged on the sieve frame (10) corresponding to the spring supports (5);

a cylindrical spiral compression spring (4) is correspondingly sleeved on each spring support (5), the lower end of each cylindrical spiral compression spring (4) is fixedly connected with the corresponding spring support (5), the upper end of each cylindrical spiral compression spring (4) is fixedly connected with the pressing plate (3), and a coaxially arranged lead screw (1) is respectively penetrated in the middle of each cylindrical spiral compression spring (4);

the upper end of the screw rod (1) extends upwards through the corresponding pressure plate (3) and then is connected with the corresponding pressure plate (3) through the adjusting nut (2), and the lower end of the screw rod (1) extends downwards through the corresponding cross beam and the shell (13) and then is detachably connected with the corresponding support (7) through the ring chain (6).

4. The enclosed shaker as defined in claim 3, wherein:

the inclination angle of the screen (9) can be adjusted by adjusting the compression degree of the cylindrical helical compression springs (4) at the two ends of the front cross beam and/or the rear cross beam.

5. The enclosed shaker as defined in claim 3, wherein:

the inclination angle of the screen (9) can be adjusted by adjusting the length of the chain (6) below the two ends of the front and/or rear cross beam.

6. The enclosed shaker as defined in claim 3, wherein:

an inspection door (12) which can be opened and closed is arranged above the shell (13) and at a position corresponding to the screen (9).

7. A closed shaker as claimed in claim 3, wherein: the inner wall of the position below the shell (13) corresponding to the screen (9) is inclined towards the discharge hole (16).

8. The enclosed shaker as defined in claim 3, wherein: a reinforcing beam is arranged between the front upright post (15) and the rear upright post (17) on the same side.